Benchmark: Array split vs string substring2

Script Preparation code:

var s1 = "foo.bar";
var s2 = "foo";

Tests:

Array.split
var n1 = s1.split(".", 1)[0]; var n2 = s2.split(".", 1)[0];
Substring
var n1 = s1.substring(0, s1.indexOf(".")); var n2 = s2.substring(0, s2.indexOf("."));

Rendered benchmark preparation results:

Previous results

Test case name	Result
Array.split
Substring

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Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Linux; Android 10; SM-G960F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.152 Mobile Safari/537.36

Browser/OS: Chrome Mobile 88 on Android

Test name	Executions per second
Array.split	613648.8 Ops/sec
Substring	941263.9 Ops/sec

Array split vs string substring2 (version: 0)